$("#editable").html('<%= (render "shared/challenge_content_form", :chal_instance => @chal, :url_instance => "content_save").gsub("\n",'').html_safe %>');
tinyMCE.remove();
tinyMCE.init({
  selector: 'textarea',
  force_br_newlines : true,
  force_p_newlines : false,
  forced_root_block : "",
  plugins: "table contextmenu paste code",
  height: "100px",
  toolbar: "undo redo | styleselect | bold italic | alignleft aligncenter alignright alignjustify | bullist numlist outdent indent | link image"
});